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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > Canada > greater than 91 octane in GTA?



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      08-26-2007, 09:53 PM   #1
kalch
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greater than 91 octane in GTA?

two questions:
where in Toronto can I get 93 octane for my e93.

second question is why should I use this high grade fuel on a leased car?
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      08-26-2007, 09:56 PM   #2
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In Toronto, there's only 87,89,91 or 94 octane; no 93.They sell 94 at Sunoco.
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      08-26-2007, 11:20 PM   #3
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Your car needs 91 octane as a minimum, to prevent the remote possibility of engine damage by knocking, and also to produce the advertised amount of power.

I have read studies that confirm that using a higher octane than recommended is a waste of money. No added performance, no appreciable gain in fuel economy - and ironically, the benefits are the least on more efficient / high specific output engines like in the e9x
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      08-27-2007, 06:57 AM   #4
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good.
thx.
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      08-27-2007, 09:06 AM   #5
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Quote:
Originally Posted by MechUT View Post
Your car needs 91 octane as a minimum, to prevent the remote possibility of engine damage by knocking, and also to produce the advertised amount of power.

I have read studies that confirm that using a higher octane than recommended is a waste of money. No added performance, no appreciable gain in fuel economy - and ironically, the benefits are the least on more efficient / high specific output engines like in the e9x
But thats not true with Procede. I remember seeing dyno charts with 91 octane and 93 octane. There is hp gained with 93 octane.
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      08-27-2007, 01:24 PM   #6
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Stick with 94 )
whats another 2,3 bucks extra per tank over the 91
1 fill up per week $2.50 x4 10 bucks extra a month and a whopping 120.00 per year wow!!! why not lol
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      08-27-2007, 02:55 PM   #7
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it's more like : whats another 4,5 bucks extra per tank over the 91.
2 fill up per week $5 x 4 = 40 bucks extra a month and a whopping 480.00 per year wow!!! why not waste your money ?? ... LOL
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      08-27-2007, 04:22 PM   #8
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hmmm
im thinking if i procede, i'd go 94
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      08-27-2007, 08:21 PM   #9
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I believe Procede comes with different maps - 91, 94 and higher ones for racing fuel. If you are on a 91 map, 94 won't give you any extra gain . If you are on a 94 map you have to use 94 all the time. So if you can't find a station that sells 94 while on the road you are SOL. I had heard from somewhere that it can be dual loaded with 2 maps and select with a toggle switch. I IM them awhile back to ask about it but they did not reply.
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      08-28-2007, 09:50 AM   #10
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Quote:
Originally Posted by marcvtec View Post
Stick with 94 )
whats another 2,3 bucks extra per tank over the 91
1 fill up per week $2.50 x4 10 bucks extra a month and a whopping 120.00 per year wow!!! why not lol
Is it "pure" 94-gasoline or do they mix it with ethanol? You may have some issues with HPFP in the future if they contain more than 8% of ethanols.

I am aware of two cases (one in Montreal and one in BC) where they use 94 and their HPFP failed.
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